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Service bulletin 24-NA-043

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11007202
Published by NHTSA2024-09-06
Manufacturer's number24-NA-043
Manufacturer's date2024-08-09
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
CADILLAC ESCALADE2020, 2021, 2022, 2023, 2024
CADILLAC ESCALADE ESV2020, 2021, 2022, 2023
CHEVROLET SILVERADO 15002020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2021, 2022
CHEVROLET SUBURBAN2024
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022, 2023, 2024
GMC SIERRA 15002020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2021, 2022, 2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V6190002025-09-18. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
20215832021-09-23. Fuel System
21V7390002021-09-23. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
21V0640002021-02-11. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
19V8370002019-11-21. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N262558690-022026-09-23. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N2625586902026-09-16. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N242452131-022026-09-15. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2023-2024 model year Chevrolet Colorado / Silverado 1500 and GMC Canyon / Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B). The Engine Control Module (ECM) may not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
N262558690-012026-09-02. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N262558690-012026-08-12. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N242452130-012026-08-04. Service campaign. Certain vehicles may have a condition in which the Engine Control Module (ECM) does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
N252516900-012026-02-19. Emissions. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
N2525169002026-02-05. Emissions. Emission Recall. Additional VINs moved to Open status.
N2525169002026-01-29. Emissions. Emission Recall. Additional VINs Moved to ‘Open’ Status
N2525169002026-01-15. Emissions. Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status